Festo CTEU-PB Electronics Description page 92

3. Diagnostics
Device-specific diagnostics (16 bytes), (module status DPV1)
Byte Contents
7 Header
8 Type
9 Slot
10 Slot
11 Module 0 (bit 1 and 2)
...
Module 3 (bit 6 and 7)
12 Module 4...7
13 Module 8...10
(bits 6 and 7 are reserved)
14...22 Reserved
Tab. 3/6: Diagnostic bytes 7 ... 22: device-specific diagnostics (fixed at a length of 16
bytes)
Module-related diagnostics (variable length)
Byte Contents
1 Header
2 Module-related diagnostics
Tab. 3/7: Module-related diagnostics
3-12
Explanation
For the bus node fixed 04h
For the bus node fixed 81h
For the bus node fixed 0
For the bus node fixed 0
2 bits per module:
00 = no error (valid user data)
01 = module error (invalid user data)
10 = incorrect module (invalid user data)
11 = module failed or is not on hand (invalid user
data)
like byte 11
like byte 11
–
Explanation
For the bus node fixed 42
Specifies the module number with diagnostics.
Festo P.BE-CTEU-PB-OP+MAINT-EN en 1208NH English
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